CVE-2025-24688 is classified as a high-severity vulnerability with a CVSS score of 7.1. This vulnerability allows improper neutralization of input during web page generation, specifically leading to a reflected Cross-site Scripting (XSS) issue in the WP Mailster plugin developed by brandtoss. The affected versions of WP Mailster range from n/a to 1.8.20.0. Given the nature of XSS vulnerabilities, attackers may leverage this flaw to execute scripts in the context of the user's browser, which could lead to unauthorized actions.
The risk to organizations includes potential data theft, unauthorized actions performed on behalf of users, and the compromise of user accounts. The exploitation status of this vulnerability remains uncertain, with no known exploits reported at this time. However, due to the high severity and the potential impact of such vulnerabilities, organizations should prioritize patching immediately.
The WP Mailster plugin is widely used, making this vulnerability particularly concerning. Organizations utilizing this plugin should take immediate steps to upgrade to the latest version to mitigate the risk associated with this vulnerability. The urgency for action is underscored by the fact that even without current known exploits, the nature of XSS vulnerabilities makes them a common target for attackers.
The vulnerability was published on February 14, 2025, and has been classified under CWE-79, which is indicative of improper neutralization of input. The low complexity of the attack further emphasizes the need for swift remediation by affected organizations.
Organizations must remain vigilant and proactive in addressing this vulnerability to ensure the security of their web applications and protect their users from potential attacks.
Vulnerability Details
CVE-2025-24688 describes an improper neutralization of input during web page generation in the WP Mailster plugin, which allows for reflected XSS attacks. The CVSS score of 7.1 categorizes this vulnerability as high severity, highlighting its potential impact on confidentiality, integrity, and availability.
The vulnerability affects WP Mailster versions up to 1.8.20.0, and it is critical for users of this plugin to verify their versions and apply necessary updates.
The official description notes the risk associated with this vulnerability and its classification under CWE-79.
Technical Analysis
The root cause of this vulnerability stems from improper input validation within the WP Mailster plugin. Attackers can exploit this weakness through crafted URLs that, when accessed by a user, execute malicious scripts within their browser session.
The attack vector is classified as network-based, requiring low complexity and no privileges, but it does necessitate user interaction. This means that for an attack to succeed, the user must click on a malicious link.
The impacts of this vulnerability are low in terms of confidentiality, integrity, and availability, but the potential for exploitation in a real-world scenario makes it a significant concern.
Risk & Impact Analysis
Organizations deploying WP Mailster should assess the risk posed by CVE-2025-24688. The potential for reflected XSS attacks can lead to significant data breaches if left unaddressed. The blast radius of such an attack could extend beyond the immediate user to potentially affect the broader organization.
Given the CVSS score of 7.1 and the fact that this vulnerability is not part of the KEV catalog, organizations should still treat it with high urgency. The potential for exploitation is high, and attackers are always on the lookout for such vulnerabilities.
Organizations should prioritize patching immediately to mitigate risks associated with this vulnerability. The existence of a low EPSS score further emphasizes that while exploitation is not currently widespread, the risk remains.
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
All versions of WP Mailster prior to 1.8.20.0 are affected by this vulnerability. Organizations should verify their installations and apply updates to mitigate the risk of exploitation.
Mitigation & Remediation
To mitigate the risk associated with CVE-2025-24688, organizations should immediately upgrade their WP Mailster plugin to the latest version. Regularly updating plugins is crucial in maintaining a secure WordPress environment.
If an immediate update is not feasible, consider implementing web application firewalls to filter out potentially malicious requests. Additionally, conducting routine security assessments can help identify and address vulnerabilities.
Organizations should also educate users about the risks of clicking on unknown links and the importance of reporting any suspicious activity.
Continuous penetration testing can further help in identifying vulnerabilities in web applications and ensuring that proper security controls are in place.
Detection Guidance
Monitoring for unusual patterns in web traffic can help detect potential exploitation attempts. Organizations should implement logging mechanisms to capture any anomalous behavior that could indicate an ongoing attack.
Additionally, security teams should be on the lookout for reports of user accounts being compromised or unauthorized actions being performed within the application.
AppSecure Threat Intelligence Insight
CVE-2025-24688 underscores the ongoing threat posed by XSS vulnerabilities, which continue to be a common attack vector. Organizations should remain vigilant and incorporate this vulnerability into their threat models.
The low EPSS score indicates that while exploitation is not currently widespread, the potential for exploitation remains. Security teams should prepare for the possibility of such vulnerabilities being targeted in future attacks.
As part of a comprehensive security strategy, organizations should consider adopting a penetration testing methodology to proactively identify and remediate vulnerabilities across their applications.
Moreover, organizations should invest in vulnerability management programs to ensure the ongoing security of their systems and applications.
Finally, engaging in regular web application penetration testing can help organizations stay ahead of emerging threats and vulnerabilities.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
.webp)